The British journal of surgery, 110(5), 599-605. John Wiley and Sons Ltd The British journal of surgery, 110(5), 599-605. John Wiley & Sons Ltd. van Keulen, A-M, Buettner, S, Erdmann, J I, Pratschke, J, Ratti, F, Jarnagin, W R, Schnitzbauer, A A, Lang, H, Ruzzenente, A, Nadalin, S, Cescon, M, Topal, B, Olthof, P B & Groot Koerkamp, B 2023, ' Multivariable prediction model for both 90-day mortality and long-term survival for individual patients with perihilar cholangiocarcinoma : does the predicted survival justify the surgical risk? ', The British journal of surgery, vol. 110, no. 5, pp. 599-605 . https://doi.org/10.1093/bjs/znad057